1.
1. You''''ll notice that when you add this header image that it doesn''''t align at the very top of the page. that''''s why we add a margin: 0 andpadding: 0 into our body tag selector
你可能也注意到了，当顶部图片应用到网页中的时候，其上边缘和浏览器边界之间有一定的间隙，所以在这里我们要用margin和padding进行完善
2.
2. Head margin: The margin at the top of a page.
头白边：书页上边的空白部份。
3. 公共查询·英语单词
3. This paper has stated the necessity that periodical publication marking should be normalized and standardized in network age by investigate the non-standardized situation in cover page, bar code and top margin of a periodical.
通过对期刊的封面、条形码和页眉3个出版标识不规范现象的调查，建议网络时代的期刊出版标识应该实现标准化和规范化。
4. Bindings worn, some corners showing cardboard at tips, hinges rubbed, most hinges starting to crack at top and bottom, 3 upper hinges cracked along half the length but covers still holding, some spines slightly chipped at top or bottom, title label missing on Volume I, label slightly chipped on 3 volumes, inscription to all pastedowns, occasional light staining and light soiling mainly to margins and chiefly in Volume I, some ink splashed on fore-edges of Volume II, just showing at edge of title page, small piece torn from fore-edge of 1 page in Volume I with loss of about 3 words on recto and verso, small closed tear to margin in Volume III, 2 in Volume IV, 1 just entering text, all neatly repaired with no loss of text, small piece missing from 1 corner in Volume V, no loss of text, title page of Volume VII slightly browned and with small piece missing from fore-edge margin, small hole in 1 text page with loss of a few letters, all still easily legible, map of the world has several repairs to reverse, no loss of image, plus several misfolds, lightly browned along 1 vertical fold, some calculations in old ink on reverse of 1 map, tiny hole in 1 map with very slight loss, a small brown stain to 1 plate, 3 tiny holes in lower margin of 1 plate.
条件绑定破旧，在一些弯道显示提示纸板，摩擦铰链，铰链最开始打击在顶部和底部，3上铰链沿长度的一半，但其涵盖破获仍然持有，有些刺略有顶部或底部缺口，标题标签上卷失踪一，标签上稍微切3卷，所有pastedowns题词，偶尔光染色和轻弄脏主要是利润率和主要余卷，一些墨水溅到突出，第二卷的边缘，就显示在标题页的边缘，小件撕裂的前奏，1页边卷约3对直肠和Verso的损失我的话，小封闭撕裂，在第三卷，第四卷2，1只输入文本，所有整齐，没有文字的损失修复保证金，从一小块角落的第五卷，没有文字的损失，卷扉页七略变黄，并从一小块突出失踪的边缘利润，在1文字页小孔与几个字母损失失踪，所有仍然很容易辨认，在世界地图上有几个维修扭转，没有形象的损失，再加上一些变异，轻轻沿1垂直倍褐变，在对1地图，地图上，在一洞非常小的损失，改变旧墨水一些计算小褐变1盘，3小孔低1板块边缘。